7945479 has 8 divisors (see below), whose sum is σ = 11771120. Its totient is φ = 5296968.

The previous prime is 7945451. The next prime is 7945481. The reversal of 7945479 is 9745497.

It is not a de Polignac number, because 7945479 - 2¹¹ = 7943431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7945429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147112 + ... + 147165.

It is an arithmetic number, because the mean of its divisors is an integer number (1471390).

Almost surely, 2^7945479 is an apocalyptic number.

7945479 is a deficient number, since it is larger than the sum of its proper divisors (3825641).

7945479 is a wasteful number, since it uses less digits than its factorization.

7945479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294286 (or 294280 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 7945479 is about 2818.7726052309. The cubic root of 7945479 is about 199.5446222759.

The spelling of 7945479 in words is "seven million, nine hundred forty-five thousand, four hundred seventy-nine".